Bugzero is a Web-based change management and issue tracking system used in a distributed team environment to track software bugs, hardware defects, test cases, or any other issues. It can also be used equally well as a helpdesk customer support, trouble ticketing, or email management system to collect and manage customer feedbacks, incidents, requests, and issues. It is easy to use, but still flexible and adaptive, and can be configured to fit to your organization's unique business process and workflow.

GNA Frontdesk is a groupware application designed for customer support and bug tracking. People e-mail their messages into a threaded central repository which may be accessed via the web. The Frontdesk groupware system is written entirely in Perl and currently runs under any platform that supports perl.

objectStatus is a PHP class for observing and
logging objects. It collect messages and can
print them to the screen, write into a log file,
or send them via email to any number of
recipients. It can be used for development
purposes or for monitoring running applications.

ChangeBLogger is a set of scripts to aggregate individual changelog files from a directory hierarchy into a static Weblog-style Website. It is useful to stay up to date with the changes in larger projects which contain a lot of subprojects with individual changelog files.

Essential Management is a multi-user project
management system for managing intricate and
complex information. Its initial purpose was to
allow software development teams to create,
maintain, track, and store project requirements on
a multi-project basis in a multi-user environment.
It has now become more abstract in the type of
data it can maintain, allowing the easy addition
of new data models and other expansions.
Information can be stored in any of several
database management systems, and can take
advantage of a networked DBMS.

Kosmos is a collection of JSR-168-compliant
portlets backed by a server component to track the
evolution of various aspects: version control,
issue tracker, continuous integration builds, and
project dependencies. It delivers an instant
project state view in quasi-realtime.